Nissan Maxima Service and Repair Manual: B2623 inside key antenna 3

Description

Detects whether Intelligent Key is inside the vehicle.

Installed in the trunk room.

DTC Logic

NOTE: The Signal Tech II Tool (J-50190) can be used to perform the following functions. Refer to the Signal Tech II User Guide for additional information.

  • Check Intelligent Key relative signal strength
  • Confirm vehicle Intelligent Key antenna signal strength

DTC DETECTION LOGIC

Nissan Maxima. DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1. PERFORM DTC CONFIRMATION PROCEDURE

With CONSULT

  1. Perform rear parcel shelf antenna INSIDE ANT DIAGNOSIS on "Work Support" of "INTELLIGENT KEY".
  2. Perform "INTELLIGENT KEY" Self Diagnostic Result.

Diagnosis Procedure

NOTE: The Signal Tech II Tool (J-50190) can be used to perform the following functions. Refer to the Signal Tech II User Guide for additional information.

  • Check Intelligent Key relative signal strength
  • Confirm vehicle Intelligent Key antenna signal strength

1. CHECK REAR PARCEL SHELF ANTENNA INPUT SIGNAL 1

Nissan Maxima. CHECK REAR PARCEL SHELF ANTENNA INPUT SIGNAL 1

  1. Turn ignition switch OFF.
  2. Check signal between BCM connector and ground with oscilloscope.

Nissan Maxima. CHECK REAR PARCEL SHELF ANTENNA INPUT SIGNAL 1

2. CHECK REAR PARCEL SHELF ANTENNA CIRCUIT

  1. Disconnect BCM and rear parcel shelf antenna connector.
  2. Check continuity between BCM connector and rear parcel shelf antenna connector.
  3. Check continuity between BCM connector and ground.

Nissan Maxima. CHECK REAR PARCEL SHELF ANTENNA CIRCUIT

Nissan Maxima. CHECK REAR PARCEL SHELF ANTENNA CIRCUIT

3. CHECK REAR PARCEL SHELF ANTENNA INPUT SIGNAL 2

Nissan Maxima. CHECK REAR PARCEL SHELF ANTENNA INPUT SIGNAL 2

  1. Replace rear parcel shelf antenna (new antenna or other antenna).
  2. Connect BCM and rear parcel shelf antenna connector.
  3. Check signal between BCM connector and ground with oscilloscope.

Nissan Maxima. CHECK REAR PARCEL SHELF ANTENNA INPUT SIGNAL 2

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